As you might expect, it's Obama-mania on the main Viral Video Chart this week. If you want to watch Obama videos, the opportunities are boundless, so I decided to give you something different. It's the middle of winter, the economy is tanking and taxes are due in a week, so I figured you might need a laugh. So this week's chart is taken from the "funny" category – as always the chart is compiled by Viral Video Chart based on the most-blogged about videos, but the commentary is ours.

3. Apple MacBook WheelThe announcements from MacWorld were a little bland, so Onion News Network has come up with this spoof video instead. I'm not so sure if the "customer" was joking when he said: "I'll buy almost anything if it's shiny and made by Apple."

Source: Viral Video Chart. Compiled from data gathered at 5.12pm on January 22 2009. The WeeklyViral Video Chart is currently based on a count of the embedded videos and links on approximately two million blogs.